Europe on Edge Over Crisis

LONDON—The U.K. on Thursday unveiled an extraordinary series of measures designed to insulate the British financial system and economy from the euro zone's deepening crisis.

Chancellor of the Exchequer George Osborne and Bank of England Gov. Mervyn King announced plans to flood banks with cheap funds in an attempt to jump-start lending to British households and businesses and to fend off potential financial problems at big U.K....